Formed in 1990, Solar technology Inc. designs, manufactures and markets a line of solar powered traffic control devices, which includes advance warning arrow panels and changeable message signs. Located in Allentown, Pa., the firm s products find applications in highway work zones, commercial and non-commercial places. The company offers its vast customer base an array of products that include warning arrow panels, silent messengers, incident response trailers and solar-powered portable tower trailers. In addition, Solar technology Inc. provides mega-tech touch-screen controller and mega-flux led display technology.